Tuổi Lan hiện nay là:

     12+5=17(tuổi)

Tuổi Lan sang năm là:

      17+1=18(tuổi)

            Đáp số:18 tuổi

Ta có |2x - 1| >= 0

=> - |2x - 1| <= 0

=> 5 - |2x - 1| <= 5

Vậy GTLN của biểu thức là 5 khi x = 0,5

were

B. versions

He said that he would put his coat and go out.

I said that her father complained about the noise from that house.

They announced that lunch was going to be served.

David said that he had seen her the previous day.

1. marriage => married

2. discrimination => discriminating

3. good with => good at

4. doing housework => do housework

5. but on => and in

6. to going to university => to go to university

7. eliminated for => eliminated from

8. More girls should being => More girls should be

9. rights for => rights in

10. must be abolishing => must be abolished

11. be make => be made

12. to pursue a job => pursuing a job

13. responsible to => responsible for

14. tired => tiring

15. women was => women were

16. as => than

B. submit

Câu giả định :

S + requested (that) + S + Vnt

14. anybody

15. Somebody

16. Somebody

17. Something / something

18. somewhere

19. Anywhere

20. anybody / anybody

Chị có số que tính là : 

94-19=75 ( que tính )

Đáp số : 75 que tính

100+200=300